<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>3D</title>
  </head>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    body{
      height: 100vh;
    }
  </style>

  <script src="./js/app.js"></script>
  <script src="./js/three.min.js"></script>
  <script src="./js/OrbitControls.js"></script>
  <body>
    <div id="container"></div>
    <!-- 任何项目，只要大的——模块化，职责分明 -->
  </body>
</html>
